2 papers
astro-ph2004
An Approach Detecting the Event Horizon of SgrA*
M. Miyoshi
Imaging the vicinity of black hole is one of the ultimate goals of VLBI astronomy. The closest massive black hole, SgrA*, located at Galactic center is the leading candidate for su…
astro-ph2004
Distance of W3(OH) by VLBI annual parallax measurement
K. Hachisuka, A. Brunthaler, Y. Hagiwara +4
The most powerful tool for measuring distances within our Galaxy is the annual parallax. We carried out phase-referencing VLBI observations of HO masers in the star forming r…